Research on Image Watermarking Algorithm based on DCT

被引：17
|
作者：
Xu, Z. J. [1 ]
Wang, Z. Z. [1 ]
Lu, Q. [1 ]
机构：
[1] Shanghai Maritime Univ, Informat Engn Coll, Shanghai 200135, Peoples R China
来源：
2011 3RD INTERNATIONAL CONFERENCE ON ENVIRONMENTAL SCIENCE AND INFORMATION APPLICATION TECHNOLOGY ESIAT 2011, VOL 10, PT B | 2011年 / 10卷
关键词：
Digital watermarking technology; DCT; IDCT; Embedding watermark; Extracting watermark;
D O I：
10.1016/j.proenv.2011.09.180
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The technology of image watermark is very important in the field of signal processing. The knowledge of image watermark, as well as the DCT/IDCT had been introduced in this paper. A new digital watermarking encryption algorithm had been introduced which the watermarking information was based on the size of the image. The watermark's embedding and extraction had been performed on two images for verifying this watermarking algorithm by MATLAB, and the result show that the adaptive algorithm is effective. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Conference ESIAT2011 Organization Committee.
引用
收藏
页码：1129 / 1135
页数：7
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